Answer:
Dudo que tenga los libros de biología
Explanation:
This is correct because if the answer was yo se que the word tenga would had to be tengo. Hace que doesn't make sense and yo creo que would go if the word tengo was on there. I hope I helped!
no te puedo ayudar si no tengo ejemplos
The conservation program only wants to attract tourists
Answer: That is correct
